Referred to an alcoholic beverage containing a minuscule amount of liquor and a large volume of non-alcoholic mixers. The term is used to draw attention to the fact that a person who is having a Felix Shot is a pussy, as he/she is pretending to consume a large volume of alcohol but in fact is drinking mostly juice.
The term has been coined after an individual named Felix, based out of Calgary, who has been practicing this very despicable ritual for years.

Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.